." >> reporter: the gospel choir had paris hichltparishoners on . this is harlem, new york. take a second look at this congregation and you'll see the black church here changing. >> inspiring and i definitely will come back. why not? >> reporter: tourists, many european, have been packing the pews of harlem churches in increasing numbers. michael henry adams specializes in harlem's history. >> it is voyeurism to a degree. i thought of it as something bad initially but it's learning more about each other and there's nothing bad in that. >> reporter: what's happening is not just white tourism but of something greater. do you see the identity of harlem shifting or changing? >> demographically, would you have to see that there is a change. the harlem of my youth, when i would come to harlem, doesn't look the same. >> reporter: statistics show hispanics and whites outpacing the number of blacks moving into harlem. >> you can no longer make the assumption that all persons who are nonafrican-americans, who are whites were tourists. like everyone else, they were persons who lived in